| article html file updated | 6 February 2020 01:30 CET | Update | https://www.mdpi.com/1420-3049/18/4/4342 |
| article html file updated | 19 September 2019 19:37 CEST | Update | N/A |
| article html file updated | 8 May 2019 06:18 CEST | Update | N/A |
| article html file updated | 20 March 2019 20:58 CET | Update | N/A |
| article html file updated | 17 September 2018 10:33 CEST | Original file | N/A |
| article pdf uploaded. | 12 April 2013 12:17 CEST | Updated version of record | https://www.mdpi.com/1420-3049/18/4/4342/pdf |
